This page contains information about metadata extraction, which happens when a file is uploaded to the Alfresco repository.
For information about configuring metadata extractors, seemetadata extraction extension point.
Use this information to understand the default mapping in Content Services between file types, metadata extractors, and mapped properties.
This table provides information about the fields that can be extracted from certain file types, such as a.pdf, and the Repository content model property, such ascm:author, that the extracted field maps to.
| File type | Extracted Field | Content model property |
|---|---|---|
| 3G2, 3GP, FLAC, OGG, M4A, M4V, MOV, MP4 | author | cm:author |
| title | cm:title | |
| created | cm:created | |
| xmpDM:artist | audio:artist | |
| xmpDM:composer | audio:composer | |
| xmpDM:engineer | audio:engineer | |
| xmpDM:genre | audio:genre | |
| xmpDM:trackNumber | audio:trackNumber | |
| xmpDM:releaseDate | audio:releaseDate | |
| AI, PDF | author | cm:author |
| title | cm:title | |
| subject | cm:description | |
| created | cm:created | |
| Custom metadata | Can be configured | |
| AIFF, AU, BMP, CDF, CPIO, FLV, GIF, GZIP, HDF, JAR, JAVA, JPG, KEY, NUMBERS, OGV, OGX, PAGES, PNG, PSD, RSS, RTF, SVG, TAR, TIFF, TXT, WAV, XML, ZIP | author | cm:author |
| title | cm:title | |
| subject | cm:description | |
| created | cm:created | |
| comments | Can be configured | |
| geo:lat | cm:latitude | |
| geo:long | cm:longitude | |
| Geographic details | cm:geographic | |
| exif | exif:exif | |
| DOC, MPP, PPT, VSD, XLS | author | cm:author |
| title | cm:title | |
| subject | cm:description | |
| createDateTime | cm:created | |
| lastSaveDateTime | cm:modified | |
| comments | Can be configured | |
| editTime | Can be configured | |
| format | Can be configured | |
| keywords | Can be configured | |
| lastAuthor | Can be configured | |
| lastPrinted | Can be configured | |
| osVersion | Can be configured | |
| thumbnail | Can be configured | |
| pageCount | Can be configured | |
| wordCount | Can be configured | |
| DOCM, DOCX, DOTM, DOTX, POTX, PPAM, PPSM, PPSX, PPTM, PPTX, XLAM, XLSM, XLSX, XLTM, XLTX | author | cm:author |
| title | cm:title | |
| subject | cm:description | |
| created | cm:created | |
| Any custom property | Not mapped | |
| DWG | title | cm:title |
| description | cm:description | |
| author | cm:author | |
| keywords | Can be configured | |
| comments | Can be configured | |
| lastauthor | Can be configured | |
| EML | messageFrom | imap:messageFrom,cm:originator |
| messageTo | imap:messageTo | |
| messageCc | imap:messageCc | |
| messageSubject | imap:messageSubject,cm:title,cm:description,cm:subjectline | |
| messageSent | imap:dateSent,cm:sentdate | |
| messageReceived | imap:dateReceived | |
| Header names: Thread-Index | imap:threadIndex | |
| Header names: Message-ID | imap:messageId | |
| Email details | cm:emailed | |
| HTML, XHTML | author | cm:author |
| title | cm:title | |
| description | cm:description | |
| MP3 | songTitle | cm:title |
| albumTitle | audio:album | |
| artist | audio:artist,cm:author | |
| description | cm:description | |
| comment | Can be configured | |
| yearReleased | audio:releaseDate | |
| trackNumber | audio:trackNumber | |
| genre | audio:genre | |
| composer | audio:composer | |
| lyrics | Can be configured | |
| MSG | sentDate | cm:sentdate |
| originator | cm:originator,cm:author | |
| addressee | cm:addressee | |
| addressees | cm:addressees | |
| subjectLine | cm:subjectline,cm:description | |
| toNames | Can be configured | |
| ccNames | Can be configured | |
| bccNames | Can be configured | |
| ODB, ODC, ODF, ODG, ODM, ODI, ODP, ODS, ODT, OTG, OTH, OTP, OTS, OTT, SXW | creationDate | cm:created |
| creator | cm:author | |
| date | Can be configured | |
| description | cm:description | |
| generator | Can be configured | |
| initialCreator | Can be configured | |
| keyword | Can be configured | |
| language | Can be configured | |
| printDate | Can be configured | |
| printedBy | Can be configured | |
| subject | Can be configured | |
| title | cm:title | |
| All user properties | Can be configured |